| St. Mary's Church | |
| Coordinates: | 39.8856°N -96.0981°W |
| Built: | 1893 |
| Architecture: | Gothic hall-church |
| Added: | December 5, 1980 |
| Refnum: | 80001470 |
St. Mary's Church is a church in the unincorporated community of St. Benedict, Kansas, 3 miles north of the west edge of Seneca. It is part of the Roman Catholic Archdiocese of Kansas City in Kansas. It was built in 1893 and added to the National Register of Historic Places in 1980. It is a prominent local landmark as it is upon a hill and its bell tower rises 172.5feet. It is a stone building which is NaNfeet in plan.[1]